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Get started9 Gynwell is a detached house in Naseby, Northampton, Northampton (NN6 6DB). It has a recorded floor area of 194 m² (around 2088 sq ft), construction records dating it to 2003-2006 and council tax band F. The latest certificate (April 2019) shows a C (score 69), just inside the C band. Main heating runs on oil.
Sale prices here have outpaced England HPI: 2.6% per year against 0% for the wider region. Today's modelled estimate of £544,000 is 14.5% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£227/sq ft) was about 21.1% above the typical sold price in the postcode. At 194 m² the property is well over the postcode median (86 m² across 8 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. One planning record on file: an extension approved in 2005. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. Sold September 2020 for £475,000.
9 Gynwell ranks among the most efficient homes in the postcode for energy use.
9 Gynwell has an approved side extension on the planning record.
Side of property
9 Gynwell changed hands twice within eighteen months — unusual for the area.
£544,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.6% per year over 11 years.
£475,000
Growth on file: 2.6% per year over 11 years.
On epc rating, 9 Gynwell stands well clear of the street.
Price per m²
£2,448
Street avg £2,745
Floor Area
194 m²
Street avg 108 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
48.3dB

Conservatory at side of dwelling
25 September 2020Most recent
£475,000
-2.1%over 11 months31 October 2019
£485,000
+34.7%over 9 years12 November 2009
£360,000
Median price across the last 5 sales in NN6 6DB: £440,000 (2025–2009).
CO₂ Emissions
6.5 t/year
Street avg 5.5 t/year
NN6 6DQ
Gynwell — bus stop.
Closest school
0.1 km
Naseby Church of England Primary Academy. 1 school nearby.
Night-time· 23:00 – 07:00
39.9dB
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